1. 
   pseudoextinction
   The apparent disappearance of a taxon. In cases of pseudoextinction, this disappearance is not due to the death of all members, but the evolution of novel features in one or more lineages, so that the new clades are not recognized as belonging to the paraphyletic ancestral group, whose members have ...
   Found op http://www.ucmp.berkeley.edu/glossary/glossary_1.html
   
   
2. 
   Pseudoextinction
   Pseudoextinction (or phyletic extinction) of a species occurs where there are no more living members of that species, but members of a daughter species or subspecies remain alive. As all species must have an ancestor of a previous species, much of evolution is believed to occur through pseudoextinc...
   Found op http://en.wikipedia.org/wiki/Pseudoextinction
   
   

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